출연진
Jeff Morrow
Dr. Leslie Gaskell
Barbara Lawrence
Vera Hunter
George O'Hanlon
Dr. Arnold Culver
John Emery
Dr. Hubbell Eliot
Morris Ankrum
Dr. Albert Stern
Kenneth Alton
McCrary - The Pickup Driver
Jose Gonzales-Gonzales
Manuel Ramirez
Robert Forrest
KGTK-TV Newscaster
Baxter Ward
Second Newscaster
John Halloran
Lab Central Security Guard
Marjorie Stapp
Nurse
John Parrish
Gen. Perry
Don Eitner
Air Force Meteorology Sergeant
Ron Kennedy
Air Force Control Tower Sergeant
Gordon Mills
Sergeant
Rosa Turich
Manuel's Wife
Robert Shayne
Air Force General
Richard Harrison
Pilot